/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.jxpath.ri.compiler;
import org.apache.commons.jxpath.ri.EvalContext;
import org.apache.commons.jxpath.ri.InfoSetUtil;
/**
* Implementation of {@link Expression} for the operation "and".
*
* @author Dmitri Plotnikov
* @version $Revision: 652845 $ $Date: 2008-05-02 12:46:46 -0500 (Fri, 02 May 2008) $
*/
public class CoreOperationAnd extends CoreOperation {
/**
* Create a new CoreOperationAnd.
* @param args to combine
*/
public CoreOperationAnd(Expression[] args) {
super(args);
}
public Object computeValue(EvalContext context) {
for (int i = 0; i < args.length; i++) {
if (!InfoSetUtil.booleanValue(args[i].computeValue(context))) {
return Boolean.FALSE;
}
}
return Boolean.TRUE;
}
protected int getPrecedence() {
return AND_PRECEDENCE;
}
protected boolean isSymmetric() {
return true;
}
public String getSymbol() {
return "and";
}
}
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